Dental drill guide positioning ring



FIG. 1 is a perspective view of a dental drill guide positioning ringshowing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the figures are included for the purpose ofillustrating portions of the dental drill guide positioning ring thatform no part of the claimed design.

CLAIM The ornamental design for a dental drill guide positioning ring,substantially as shown and described.